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Apparatus for physical simulation experiment for fracturing in horizontal well layer by layer by spiral perforation and method thereof

机译:螺旋射孔逐层压裂水平井物理模拟实验装置及其方法

摘要

Apparatus and method for a physical simulation experiment of fracturing an unconventional oil and gas reservoir layer by layer by spiral perforation via a horizontal well bore. The apparatus includes an outer wellbore provided with at least three layers of spiral perforations, and an inner wellbore provided with at least three layers of through-holes. The method includes injecting fracturing fluid into the inner wellbore, and opening a first layer cracks of a stratum by the fracturing fluid passing the first through-hole layer and the first spiral perforation layer, opening a second layer cracks of the stratum by the fracturing fluid passing second through-hole layer and second spiral perforation layer and opening a third layer cracks of the stratum by the fracturing fluid passing third through-hole layer and third spiral perforation layer.
机译:用于通过水平井眼的螺旋射孔将非常规油气储层逐层压裂的物理模拟实验的装置和方法。所述设备包括:外部井眼,其具有至少三层螺旋穿孔;以及内部井眼,其具有至少三层通孔。该方法包括将压裂液注入内部井眼中,并通过穿过第一通孔层和第一螺旋穿孔层的压裂液来打开地层的第一层裂缝,通过压裂液来打开地层的第二层裂缝。通过第二通孔层和第二螺旋穿孔层并通过第三通孔层和第三螺旋穿孔层的压裂液打开第三层裂缝。

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